National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Fair

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 16 Jul 2:15 am CDT
Extended Forecast for

Waynesville IL

  • Overnight

    Overnight: A 20 percent chance of showers after 4am. Partly cloudy, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Heat index values as high as 100. Southwest wind 6 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 50%.

    High: 91 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. West southwest wind 7 to 9 mph, with gusts as high as 17 mph.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. North northwest wind 7 to 10 mph. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 64. East northeast wind around 8 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers. Mostly cloudy, with a high near 81. East northeast wind 5 to 7 mph becoming southeast in the afternoon.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, with thunderstorms also possible after 7pm. Mostly cloudy, with a low around 69. Southeast wind around 6 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Partly cloudy, with a low around 71. South wind around 5 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Heat index values as high as 100. Southwest wind 6 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. West southwest wind 7 to 9 mph, with gusts as high as 17 mph.
Thursday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. North northwest wind 7 to 10 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 64. East northeast wind around 8 mph. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 81. East northeast wind 5 to 7 mph becoming southeast in the afternoon.
Friday Night
A chance of showers, with thunderstorms also possible after 7pm. Mostly cloudy, with a low around 69. Southeast wind around 6 mph. Chance of precipitation is 40%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waynesville IL
 40.24°N 89.12°W (Elev. 699 ft)
Last Update:
2:10 am CDT Jul 16, 2025
Forecast Valid:
2am CDT Jul 16, 2025-6pm CDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation